Given the equation below, 33.61 grams of LiOH and excess CO2, what mass of H2O can be produced? Round your answer to two digits after the decimal point.

2 LiOH + CO2 à Li2CO3 + H2O
* thank you so much in advance!

The volume of the new system will be 4.32 L.

Given that a 2.50 mol sample of gas occupies 3.0 L of volume. If the container is elastic and the amount of the gas increased to 3.60 mol.

We have to calculate the volume of the new system.

Therefore, we use Avogadro's Law, which states that equal volumes of gases at the same temperature and pressure contain an equal number of molecules.

According to Avogadro's Law,V1/n1= V2/n2Where,V1 is the initial volume of the gas.n1 is the initial number of moles of the gas.V2 is the final volume of the gas.n2 is the final number of moles of the gas.

Now, let's calculate the new volume of the system using Avogadro's Law.

V1/n1= V2/n2

Given that V1 = 3.0 L,

n1 = 2.5 mol,

n2 = 3.6 mol

Therefore, V2 = (V1*n2)/n1V2

= (3.0 * 3.6) / 2.5V2

= 4.32 L

Therefore, the volume of the new system will be 4.32 L.

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Answer:

3.1167

Explanation:

Find the molar mass of CH4 and divide the 50 grams by the molar mass

Answer:

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

From the question

volume of lead = 27.9 mL

density = 11.34 g/mL

We have

mass = 11.34 × 27.9 = 316.386

We have the final answer as

Hope this helps you

Answer:

we know, at STP ( standard temperature and pressure).

we know, volume of 1 mole of gas = 22.4L

weight of 1 Litre of hydrogen gas = 0.09g

so, weight of 22.4 litres of hydrogen gas = 22.4 × 0.09 = 2.016g ≈ 2g = molecular weight of hydrogen gas.

similarly,

weight of 2L of a gas = 2.88gm

so, weight of 22.4 L of the gas = 2.88 × 22.4/2 = 2.88 × 11.2 = 32.256g

hence, molecular weight of the gas = 32.256g

vapor density = molecular weight/2

= 32.256/2 = 16.128g

hence, vapor density of the gas is 16.128g.

Explanation:

Answer:

Questions

Explanation:

The word "science" was obtained from the Latin word "Scire" which means "to know". Hence science is a systematic investigation into the nature of the universe.

Scientific investigations begin with asking questions about the universe. It is this curiosity to know about occurrences in the universe as well as how to solve problems in the universe that leads to fascinating scientific investigations and discoveries.

Answer:

since you have both the mass and density of the sample, the volume can be derived from both

volume of seawater = \(\frac{5.0}{1.025}\)

                                 = 4.88 ml (3 s.f.)

Hydraulic fracturing, or fracking, is the pumping of highly pressurized water with a mixture of sand and chemicals into boreholes to create cracks within rocks.

Hydraulic fracturing (fracking, hydro fracking, and hydro fracturing) involves the fracturing of rock formations through the use of pressurized liquid.

Hydraulic fracturing is the pumping of highly pressurized water with a mixture of sand and chemicals into boreholes to create cracks within rocks .This provides a pathway for natural gas to escape out.

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The number of moles is 257143 moles

The volume of one mole of a gas at a given temperature and pressure depends on the specific gas and the conditions.

However, under standard conditions of temperature and pressure (STP), one mole of any ideal gas occupies a volume of 22.4 liters.

This value is known as the molar volume of an ideal gas at STP and is a useful conversion factor in many chemistry problems involving gases.

We know that;

1 mole = 22.4 L

x moles = 5.76 * 10^6 L

x = 257143 moles

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Answer:

The answer is A.

Explanation:

Universe was smaller and galaxies were closer together in past, galaxy collisions were common in past (distorted galaxies were common in early universe).

The Theoretical Yield of the reaction is 2g.

The theoretical yield is the amount of product expected to be recovered in a chemical reaction, assuming perfect conversion of all reactants to products.

To calculate the theoretical yield of your product, you need to know the mass of each of the reactants and the stoichiometry of the reaction.

Let's assume that the reaction is A + B → C. The theoretical yield is equal to the mass of reactant A multiplied by the stoichiometry of C, divided by the stoichiometry of A. The equation looks like this:

Theoretical Yield = (Mass of Reactant A) × (Stoichiometry of C) / (Stoichiometry of A)

For example, if you have 1 g of reactant A, the stoichiometry of C is 2, and the stoichiometry of A is 1, the theoretical yield would be 2 g.

Theoretical Yield = (1 g) × (2) / (1) = 2 g

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Beta particle (β) is the product of radioactive decay 0-1e.

Beta particles (β) are high-energy, high-speed electrons or positrons emitted by certain types of radioactive nuclei such as potassium-40, carbon-14, and strontium-90, among others. Beta particles, like alpha particles and gamma rays, are one of the three forms of ionizing radiation produced by radioactive materials.

Unlike alpha particles, which are helium-4 nuclei, beta particles are fast-moving electrons. They may be positively charged (positrons) or negatively charged (negatrons), depending on the isotope. The charge on a beta particle is 1.6 x 10^-19 Coulombs, the same as that of an electron. Beta particles may travel hundreds of feet in air and several millimeters in tissue, and they can penetrate clothing and skin.

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Answer:

Chemistry Secondary School answered Mg (OH)₂ + HCl→ MgCl₂ + H₂O balance it Answer 5.0 /5 6 Diabolical Answer: The answer will be; = Mg (OH)₂ + 2 HCl → MgCl₂ + 2 H₂O That's all. Find Chemistry textbook solutions? Class 12 Class 11 Class 10 Class 9 Class 8 Class 7 Class 6 Preeti Gupta - All In One Chemistry 11 3080 solutions

Mercury (Hg) has an atomic number of 80 and a mass number of 200.59. It has seven stable isotopes. The most abundant of these probably have more than 80 neutrons each.

Option A is correct.

The number of a chemical element in the periodic system, in which the elements are arranged by the number of protons in the nucleus, which increases with increasing number. As a result, the atomic number is also the number of protons in the neutral atom, which is always the same as the number of electrons. The number of protons in an atom's nucleus is known as its atomic number. An element's identity is determined by its number of protons—for example, a carbon atom with six protons is an element, regardless of how many neutrons are present.

An atom's atomic number is the same as the number of protons in its nucleus or electrons in an electrically neutral atom. The number of protons in an atom. A sodium atom, for instance, has 11 electrons and 11 protons.

Incomplete question :

On the periodic table of the elements, mercury (Hg) has an atomic number of 80 and a mass number of 200.59. It has seven stable isotopes. The most abundant of these probably have ________.

A. more than 80 neutrons each.

B. more than 50 neutrons each

C. less than 80 neutrons each

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According to the IUPAC nomenclature, the name of the compound is 2-ethyl non-6-ene.

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:

1)Molecular compounds where in atoms are joined by covalent bonds.

2) ionic compounds where atoms are joined by ionic bond.

3)Inter-metallic compounds where atoms are held by metallic bonds

4) co-ordination complexes where atoms are held by co-ordinate bonds.

They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.

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Answer:

negative

Explanation:

Answer:

The tetanus vaccine is a dose of the bacterium Clostridium Tetani, in inactive form or even a surface molecule that helps the body to actively form the antibody.

The tetanus vaccine has coverage for life, it is mandatory in those countries where the disease became common, such as the USA, Argentina, Chile, Uruguay among others.

Before a surgical act or a suspicion of exposure with this bacterium, the booster of the tetanus vaccine should be administered quickly.

Explanation:

Tetanus disease generates a tetanization of all the muscles of the organism, generating spasmodic contractions, which make it impossible to function and develop life when it affects the diaphragm as it makes breathing impossible.

Tetanization does not affect differently in age or sex, it only consists of contamination with the bacteria to be sufficient.

The sources of contagion are areas of mud or earth, rusty cutting or sharp elements, and poorly hygienic or abandoned areas. In order for the bacteria to be transmitted or the transmission route to be fulfilled, there must be a lesion of loss of continuity of the epithelium or mucosa.

Answer:

A dog barks

Explanation:

1. Temperature is the measurement of how hot or cold something is agree.

2. When something heats up, new energy is created, and when something cools down, energy is destroyed. Disagree.

3.When something heats up, it moves faster, and when something cools down, it moves slower. Agree

4. Hotter things have more energy than colder things. Agree.

1. Temperature is the measurement of how hot or the cold something is. It is the measure of the average kinetic energy of  particles in object. Agree.

2. When something heats up, the new energy is created, and when the something cools down, the energy is destroyed. when cool down the something, the movement of the particles or the atoms within that will decreases, not the energy. Disagree.

3.When something heats up, it moves faster, and when something cools down, it moves slower because the particles move faster in the hot things. Agree.

4. Hotter things have more energy than colder things as colder objects' molecules and the atoms move slowly and they have the less thermal energy than the warmer objects. Agree.

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Sodium and chlorine are the two reactants and sodium chloride is the product.

Therefore, sodium and chlorine are reactants whereas sodium chloride is the product.

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The mentors will assist the chemist fellows in choosing themes that are appropriate for both the development of the Burg fellow and the undergraduate students' learning experience.

The mentor's ultimate objective is to make the trainee an autonomous researcher. Sharing expertise and abilities, supervising the trainee's work, assisting the trainee in connecting with other researchers, and providing career counselling are all aspects of mentoring.

Be mentee-focused and build your relationship based on the mentee's particular learning objectives. To assist the development of your mentee, give them unbiased comments and concentrate on their specific actions and behaviours.

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The  theoretical yield of the solution has been obtained as  17.1 g

Let us recall that each time that we hear about a chemical reaction what we are talking about is the combination of two or more reactants and a product must be formed. In this case we are to find the theoretical yield of this reaction.

We have been told that the HCl is in excess thus we have the 2-methyl-2-butanol as the limiting reactant.

Mass of the solution = density * volume

Mass of the solution = 0.805 g/ml * 17.6 ml

= 14.2 g

Number of moles = mass/molar mass

= 14.2 g/88 g/mol

= 0.16 moles

Given that the reaction is 1:1, 0.16 moles of the product is obtained.

Theoretical yield = Number of moles products * molar mass of products

= 0.16 moles * 106.59 g/mol

= 17.1 g

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Answer:

Yes, it is possible because they have similar intensive properties.

homogeneous mixture

Due to the repulsion between electrons, valence electrons will be arranged as far apart from each other as possible.

Neutral atoms of lead must have 82 protons. Ions must have 82 protons, as well.

Experiments that identified characteristics of atoms provided scientists with atomic weights and atomic numbers, which were used to organize the periodic table.

A covalent bond would form because the electron would be shared so both hydrogens have a full, stable shell.

K and Cl

Polar sugar molecules dissolve in water, which is polar.

High temperatures mean more kinetic energy, which keeps sodium and chlorine ions from combining, which increases solubility.

It accepts protons and only partially dissociates in water.

PH3 is a stronger acid than NH3.

The scientist is investigating Charles’s law, which shows that temperature and volume are directly proportional.

It will likely be unreactive.

Student B, because of the law of conservation of matter.

The atoms have the same electronegativity.

bromine (Br)

No, it will not because iodine is less reactive than chlorine.

6H2O + 6CO2 → C6H12O6 + 6O2

+2

0.24 M

Tungsten (W) changes oxidation numbers from +6 to zero, so it undergoes reduction.

It has a higher boiling point than water, and it likely has stronger electrostatic forces between its molecules than water.

castor oil

Substance B has stronger bonds, and it takes more energy to undergo a phase change.

The student should perform multiple trials of the same experiment, then take the average of all of the results.

The results of several trials are all very close to each other, but they are noticeably different from the accepted value for the boiling point.

Explanation:

100% for the whole Semester A Exam

Total number of valence electrons in the Lewis structure of XeO4 is 32.

Valence electrons are electrons that located in the outermost electron shell of an atom. These electrons, being the furthest from the nucleus and thus the least tightly held by the atom, are the electrons that participate in bonds.

Lewis structure - A Lewis Structure is a very simplified representation of the valence shell electrons in a molecule. It is used to show how the electrons are arranged around individual atoms in a molecule.

Lewis structure of XeO4 is made up of one xenon and four oxygen atom, the xenon is in a central position, and all oxygen is at the surrounding position. There are four double bonds(Xe=O) present in the XeO4 lewis structure. The lewis structure of XeO4 contains 8 pairs of nonbonding electrons and 8 pairs of bonding electrons.

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Molality of a solution is defined as the number of moles of solute per kilogram of solvent. The formula for molality is given by the following equation:molality (m) = moles of solute / mass of solvent (in kg)In order to calculate the molality of a 12 percent urea solution, we need to first determine the mass of urea present in the solution.

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Answer:

3 moles

Explanation:

fluorine, chlorine, bromine, and iodine,

I am not quite sure but I would say A. true. Althought  I am not 100% shure this is right.  

But here is the reason that I chose this because in a geocentric model the sun, moon, stars, and plantes all orbit around the earth.

Hope this helps :))

Answer: the answer is a which is true .

Explanation: the sun, moon, stars, and plantes all orbit around the earth.geocentric model, any theory of the structure of the solar system (or the universe) in which Earth is assumed to be at the centre of it all, so it is correct . HHOPE IT HELPS YOU .PLEASE GIVE BRAINLIEST .THANKS .

The given number is written incorrectly because in the integer part of the number there should be a number between 1 and 10, here it is 423, which is not in this interval.

To write it properly, put the decimal dot two place to the left and add 2 to the power of 10. This way: